Hi, I ported Stefan's or1200 soc project from the de2-115 board to my de1 board.
I'm using the advanced debug interface. There is something I don't know about the virtual JTAG interface: is the virtual interface chained to the FPGA native JTAG ? I tried different command lines (specifying the IR size). This is what I get: sudo ./adv_jtag_bridge -a 1 -l 0:10 -l 1:4 usbblaster Found Altera USB-Blaster Found Altera USB-Blaster firmware version = 0x0004 (4) Enumerating JTAG chain... WARNING: maximum supported devices on JTAG chain (1024) exceeded. Devices on JTAG chain: Index Name ID Code IR Length ---------------------------------------------------------------- 0: (unknown) 0xFFFFFFFF -1 1: (unknown) 0x8105986F -1 2: (unknown) 0x0000003F -1 3: (unknown) 0xFFFFFFFF -1 4: (unknown) 0xFFFFFFFF -1 ..... 1021: (unknown) 0xFFFFFFFF -1 1022: (unknown) 0xFFFFFFFF -1 1023: (unknown) 0xFFFFFFFF -1 Target device 0, JTAG ID = 0xffffffff ERROR! Unable to autoprobe IR length for device index 2; Must set IR size on command line. Aborting. Could anyone help me on this ? Franck. _______________________________________________ OpenRISC mailing list [email protected] http://lists.openrisc.net/listinfo/openrisc
